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TMP303BDRLT датащи(PDF) 10 Page - Texas Instruments |
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TMP303BDRLT датащи(HTML) 10 Page - Texas Instruments |
10 / 22 page 50 C ° 0 C ° 60 C ° 0 50 100 V S Temperature 3.3V 1.4V 50 C ° 0 C ° 60 C ° 0 50 100 V S Temperature 3.3V 1.4V 0 50 100 0 Time(ms) OUT=High AtPower-on OUT=High AtPower-on OUT=High AfterConversion OUT=Low AfterConversion Conversion Time t=35ms(max) D HYST =High HYST =High SOH=Low SET0 SET1 (a) Time(ms) (b) 0 50 100 0 Conversion Time t=35ms(max) D HYST =High HYST =High SOH=Low SET0 SET1 1 1 10 TMP303 SBOS486G – JULY 2009 – REVISED JULY 2017 www.ti.com Product Folder Links: TMP303 Submit Documentation Feedback Copyright © 2009–2017, Texas Instruments Incorporated Feature Description (continued) 8.3.2 TMP303 Power Up and Timing At device power up, the TMP303 exerts OUT = high, and typically requires 26 ms to return to a low state only if the temperature falls within the hysteresis window set by HYSTSET0 and HYSTSET1. The tolerance of the thermal response time is largely a result of the differences in conversion time, which varies from 20 ms to 35 ms; likewise, this conversion does not take place after a power cycle until the supply voltage has reached a level of at least 1.4 V. This sequence is illustrated in Figure 11. Figure 11. TMP303A Start-Up Delay vs Output Voltage (HYSTSET0 = HYSTSET1 = VS) After the TMP303 powers up, all successive thermal response results for the device are achieved in a time frame of 0.985 s to 1 s. This period is the minimum time frame required for the push-pull output (OUT) to change its state from high to low (or conversely) when the device is active. |
Аналогичный номер детали - TMP303BDRLT |
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Аналогичное описание - TMP303BDRLT |
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